Download Ch 22 Study guide

Chapter 22 Study Guide
Systems:
___G___ 1. Circulates blood through
the body; moves materials
___D___ 2. Absorbs oxygen and releases
carbon dioxide
a. Digestive system
b. Skeletal system
c. Lymphatic System
___F___ 3. Helps you move.
d. Respiratory system
___B___ 4. Supports and protects body parts
e. Nervous system
__E____ 5. Sends and receives messages
f. Muscular system
___C___ 6. Helps your body get rid of bacteria and viruses
g. Circulatory system
___A___ 7. Breaks down food into nutrients
Organization:
8. ____Homeostasis______ - is the maintenance of a stable internal environment in the body.
9. A group of cells working together forms a ______Tissue____________.
10. Four Kinds of tissue:
a. ____Epithelial___ tissue – The type of tissue you see when you look at the surface of
you skin.
b. ____Nervous____ tissue – sends electrical signals through the body.
c. ____Muscle____ tissue – is made of cells that produce movement.
d. ____Connective_____ tissue – joins, supports, protects, insulates and nourishes
organs.
11. Two or more types of tissue working together to do a job forms an ___organ___.
12. Organs work together to make up an __Organ System__.
Skeletal System:
13. # of bones in the human body = 206
14. Describe the four functions of bones. (4 points)
Protection – protects vital organs; Storage – Stores Mineral and fat; Blood cell formation –
Makes blood cells; Movement – helps you move
15. _____Cartilage______ is the cushion in the area where bones meet.
16. What are two differences between compact and spongy bone. (2 points)
Compact – Dense and rigid; small blood vessels
Spongy – air spaces; provides strength and support
17. ____Ligament____ is connective tissue that connects the bones in a joint.
18. A disease of the skeletal system in which bones become weak =Osteoporosis
19. Describe how the 3 types of joints allow you to move.
Gliding – wrist; 2 bones slide past one another
Ball and Socket – allows movement in all directions
Hinge – allows you to flex and bend
Muscular System:
20. Muscles that straighten parts of your body = Extensor
21. Muscles that flex parts of your body =Flexor
22. What are the three muscles and where are they found? Which are voluntary and
involuntary?
Cardiac – Heart; Involuntary
Smooth – Digestive Tract; Involuntary
Skeletal – Moves Bones ; Both
23. What are the two types of exercise? Provide 2 examples of each.
Resistance – Curl ups and pushups (work against weights)
Aerobic – Jogging and running (Endurance)
Integumentary System:
24. What are the four functions of the skin?
Protection – sun, foreign particles
Sensations – senses the external environment
Waste – gets rid of chemicals
Body Temp – Regulates Body Temperature
25. What type of skin is more likely to get skin cancer?
Light or Pale skin
26. Damage to the genetic material in your skin cells can result in = Skin cancer
27. A hair follicle = Makes Hair
28. Describe the two layers of skin? (4 points)
Epidermis – outer layer; thin
Dermis – thicker layer; lots of small structures
29. How does the skin heal wounds? (2 points)
Scab forms; bacteria fighting cells attack the area; new cells form in the area